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Wartość liczbowa wyrażenia algebraicznego

Authored by Daniel Kucharczyk

Mathematics

6th Grade

Used 34+ times

Wartość liczbowa wyrażenia algebraicznego
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3x+2y3x+2y  dla  x=2, y=3x=-2,\ y=-3  

 12-12  

 1212  

 1818  

 17-17  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (a2b2)2\left(a^2-b^2\right)^2   dla  a=1, b=2a=-1,\ b=-2  

 99  

 100100  

 44  

 2525  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (xb)(x+b)\left(x-b\right)\left(x+b\right)  dla  x=10, y=5x=10,\ y=5  

 7575  

 2525  

 2020  

 6565  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2y22xy\frac{x^2-y^2}{2x-y}   dla  x=3, y=4x=3,\ y=-4  

 0,70,7  

 1,41,4  

 77  

 2,52,5  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 ab+ca2b2+c2\frac{a-b+c}{a^2-b^2+c^2}   dla  a=2, b=3, c=5a=2,\ b=-3,\ c=5  

 12\frac{1}{2}  

 15\frac{1}{5}  

 519\frac{5}{19}  

 1141\frac{1}{4}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (4a3b)2(a3+b32ab)2\frac{\left(4a-3b\right)^2}{\left(a^3+b^3-2ab\right)^2}   dla  a=3, b=4a=3,\ b=4  

 00  

 5674489\frac{567}{4489}  

 11  

nie ma rozwiązania

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Jak po angielsku jest zmienna x?

variable x

change x

exchange x

fickle x

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